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Does mounting the cooler deform the package?

Expected deliverable: Mounting locations, support stiffness and contact model

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Prepare first: Is the following available: Topography before loading, after loading and after unloading at the same temperature?

Next missing input: Is the following available: Topography before loading, after loading and after unloading at the same temperature?

This guidance helps prepare the evaluation. Confirm solution and sample applicability individually.

Candidate solutions for this task

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Presto Engineering

Inquiry for package thermal/mechanical modeling services

The official service information lists package design, simulation and thermal/mechanical analysis.

Required inputs, limitations and sources

Required inputs
Mounting geometry, support and measured force/displacement records；Topography before loading, after loading and after unloading at the same temperature；Approved package mechanical limits, contact maps and model boundaries

Main limitations
Confirm acceptance of independent load comparisons, measurement support and deliverables.；The source does not establish availability of the specified cold-plate loading fixture or measurement capability for this sample. Confirm independent project acceptance and deliverable scope.

Presto Engineering · View source ↗
Official technical summary reviewed · The source does not establish availability of the specified cold-plate loading fixture or measurement capability for this sample. Confirm independent project acceptance and deliverable scope.

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What expertise does this task need?

Package mechanics / structural CAE specialist

Deliverables to discuss: Mounting locations, support stiffness and contact model

No public independent-expert profile currently matches this task. Prepare the engagement scope or ask candidate suppliers for the technical specialist responsible for this work.

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Check scope and related problems

Should mounting locations, support stiffness and preload distribution change, or should the existing mounting system be retained? Define load-induced deformation before addressing thermal contact.

In scope: Assembly loads and topography changes at package level；Force-transfer paths through mounting hardware and the cold plate

Other situations: Coolant-flow optimization alone；Selecting TIM by material thermal conductivity；Applying torque specifications from another cooler to this product

Warpage reversal during cooling in large 2.5D FCBGA packages →Uneven heat-spreader contact and local hot spots in multi-die packages →Package solder-ball coplanarity and initial contact →
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Additional supplier candidates · 2

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